Observability tools are software solutions that help organizations monitor and understand the performance of their systems and applications. They collect data from various sources, such as logs, metrics, and traces, to provide insights into how systems are functioning. This information allows teams to identify issues, optimize performance, and ensure reliability. These tools often integrate with other technologies, such as cloud services and container orchestration platforms, to provide a comprehensive view of the system's health. Popular observability tools include Prometheus, Grafana, and Datadog, which help teams visualize data and make informed decisions based on real-time information.